Spenser Skates, CEO, President, and Director of Amplitude, Inc., filed a Form 4 on October 27, 2026, reporting a conversion of Class B Common Stock and a subsequent sale of 107,136 shares of Class A Common Stock by his spouse on October 23, 2026.

Key Highlights

  • Reporting person: Spenser Skates, identified in the filing as CEO, President, Director, and 10% Owner of Amplitude, Inc. (NASDAQ:AMPL).
  • Conversion: 107,136 shares of Class B Common Stock were converted into 107,136 shares of Class A Common Stock on October 23, 2026, at a price of $0, held indirectly by spouse.
  • Sale: 107,136 shares of Class A Common Stock were disposed of on October 23, 2026, at a weighted average price of $17.5194, with individual trade prices ranging from $17.4500 to $17.7000.
  • 10b5-1 plan: The sales were effected pursuant to a 10b5-1 trading plan adopted by the reporting person's spouse on June 11, 2026.
  • Remaining indirect holdings: Following the transactions, the spouse holds 0 shares of Class A Common Stock indirectly, and Skates retains 200,021 shares of Class B Common Stock indirectly by spouse.
  • Direct holdings: Skates directly holds 5,342,146 shares of Class B Common Stock following the reported transactions.

Amplitude CEO Spenser Skates Reports Spouse Share Conversion and Sale

According to the Form 4 filed with the SEC on October 27, 2026, Spenser Skates, who serves as CEO, President, Director, and 10% Owner of Amplitude, Inc. (NASDAQ:AMPL), reported two transactions involving Class A Common Stock that occurred on October 23, 2026. Both transactions were held indirectly through his spouse and were executed under a Rule 10b5-1 trading plan that the reporting person's spouse adopted on June 11, 2026.

The first transaction was a conversion (transaction code C) of 107,136 shares of Class B Common Stock into 107,136 shares of Class A Common Stock at a price of $0, reflecting the one-to-one conversion feature of the Class B shares. The filing explains that Class B Common Stock is convertible at any time at the holder's option into Class A Common Stock on a one-to-one basis, and is also subject to automatic conversion upon certain events, including transfer, death or incapacity of Mr. Skates, or conditions related to his or the founders' continued service.

The second transaction was a sale (transaction code S) of the same 107,136 shares of Class A Common Stock at a weighted average price of $17.5194 per share, with individual trades ranging from $17.4500 to $17.7000. Following this sale, the indirect beneficial ownership of Class A Common Stock held by the spouse fell to 0 shares. Skates continues to hold 200,021 shares of Class B Common Stock indirectly by spouse and 5,342,146 shares of Class B Common Stock directly. The filing was signed by Elizabeth Fisher as attorney in fact for Spenser Skates.

What Was Disclosed

The filing reported a conversion of 107,136 Class B shares into Class A shares and a subsequent sale of those 107,136 Class A shares at a weighted average price of $17.5194, all transacted on October 23, 2026, indirectly through Skates's spouse under a 10b5-1 plan.